US10011251B2 - Cleaning device for vehicle-mounted camera - Google Patents

Cleaning device for vehicle-mounted camera Download PDF

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Publication number
US10011251B2
US10011251B2 US14/413,904 US201314413904A US10011251B2 US 10011251 B2 US10011251 B2 US 10011251B2 US 201314413904 A US201314413904 A US 201314413904A US 10011251 B2 US10011251 B2 US 10011251B2
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Prior art keywords
cleaning liquid
secondary tank
air
nozzle
cleaning
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Application number
US14/413,904
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English (en)
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US20150151722A1 (en
Inventor
Toshimichi Gokan
Yonosuke Nishioku
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Nissan Motor Co Ltd
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Nissan Motor Co Ltd
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Priority claimed from PCT/JP2013/068717 external-priority patent/WO2014010580A1/ja
Assigned to NISSAN MOTOR CO., LTD. reassignment NISSAN MOTOR CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GOKAN, Toshimichi, NISHIOKU, Yonosuke
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/56—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/56—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens
    • B60S1/60—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens for signalling devices, e.g. reflectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/26—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets
    • B05B1/262—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets with fixed deflectors
    • B05B1/267—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets with fixed deflectors the liquid or other fluent material being deflected in determined directions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0876—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form parallel jets constituted by a liquid or a mixture containing a liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0884—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point the outlet orifices for jets constituted by a liquid or a mixture containing a liquid being aligned
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0892—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point the outlet orifices for jets constituted by a liquid or a mixture containing a liquid being disposed on a circle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/04—Mounting of cameras operative during drive; Arrangement of controls thereof relative to the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
    • B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
    • B60S1/0818—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like
    • B60S1/0822—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like characterized by the arrangement or type of detection means
    • B60S1/0833—Optical rain sensor
    • B60S1/0844—Optical rain sensor including a camera
    • B60S1/0848—Cleaning devices for cameras on vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/46—Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
    • B60S1/48—Liquid supply therefor
    • B60S1/50—Arrangement of reservoir
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/46—Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
    • B60S1/48—Liquid supply therefor
    • B60S1/52—Arrangement of nozzles; Liquid spreading means
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/51—Housings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/81—Camera processing pipelines; Components thereof for suppressing or minimising disturbance in the image signal generation
    • H04N23/811—Camera processing pipelines; Components thereof for suppressing or minimising disturbance in the image signal generation by dust removal, e.g. from surfaces of the image sensor or processing of the image signal output by the electronic image sensor
    • H04N5/2171—
    • H04N5/2251—
    • H04N5/2252—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/02—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling time, or sequence, of delivery

Definitions

  • the present invention relates to a cleaning device for cleaning a vehicle-mounted camera mounted, for example, at the rear portion of a vehicle to capture images of the rear of the vehicle.
  • a vehicle-mounted camera which is, for example, mounted at the rear of a vehicle and captures surrounding images to monitor a vehicle traveling behind the vehicle or obstructions existing in the surroundings of the vehicle
  • foreign substances such as water droplets and mud may be attached on a lens serving as an image-capturing surface, for example, during rainy weather.
  • the vehicle-mounted camera cannot clearly capture the surrounding image.
  • a cleaning liquid is sprayed over the lens surface of the camera, and then, high-pressurized air is sprayed to remove the foreign substances attached on the lens.
  • the present invention has been made to solve the problem of the conventional technique as described above, and an object of the present invention is to provide a cleaning device for a vehicle-mounted camera, which can reliably clean the lens surface with a small amount of cleaning liquid.
  • a cleaning device for a vehicle-mounted camera includes: a nozzle having a discharge port from which a cleaning liquid and a compressed air discharge and which are disposed so as to face a lens surface of a camera, and having a cleaning liquid path that guides the cleaning liquid to the discharge port and an air passage that guides the compressed air to the discharge port; a primary tank that stores the cleaning liquid; a secondary tank configured to have a volume for storing the cleaning liquid smaller than the primary tank, be disposed close to the nozzle so as to be able to temporarily store the cleaning liquid supplied from the primary tank, and be connected with the cleaning liquid path; a cleaning-liquid delivery section that delivers the cleaning liquid stored in the primary tank to the secondary tank through a cleaning liquid pipe connected with the secondary tank; and a compressed-air delivery section that delivers the compressed air to the nozzle through an air pipe connected with the air passage.
  • FIG. 1 is a block diagram illustrating a configuration of a cleaning device for a vehicle-mounted camera according to an embodiment of the present invention.
  • FIGS. 2( a ) and 2( b ) are perspective views each illustrating a configuration of the cleaning device for a vehicle-mounted camera according to the embodiment of the present invention, in which FIG. 2( a ) is a perspective view illustrating the cleaning device according to this embodiment in a state where the device is installed to a camera mounted at the rear portion of a vehicle, and FIG. 2( b ) is a diagram illustrating the cleaning device illustrated in FIG. 2( a ) when viewed from a direction “A.”
  • FIG. 3 is a partially-sectioned perspective view illustrating a nozzle unit provided to the cleaning device for a vehicle-mounted camera according to the embodiment of the present invention.
  • FIGS. 4( a ) and 4( b ) are sectional views each illustrating a distal end portion of a nozzle of the cleaning device for a vehicle-mounted camera according to the embodiment of the present invention, in which FIG. 4( a ) is an exploded view illustrating the distal end portion of the nozzle, and FIG. 4( b ) is a sectional view illustrating a portion of a reference sign P 1 in FIG. 4( a ) .
  • FIG. 5 is an explanatory view illustrating an arrangement relationship between the camera and the distal end portion of the nozzle provided to the cleaning device for a vehicle-mounted camera according to the embodiment of the present invention.
  • FIGS. 6( a ) and 6( b ) are diagrams each illustrating a configuration of the cleaning device for a vehicle-mounted camera according to the embodiment of the present invention, in which FIG. 6( a ) is a perspective view illustrating the cleaning device according to this embodiment in a state where the device is installed to a camera mounted at the rear portion of a vehicle, and FIG. 6( b ) is a sectional view illustrating a nozzle unit taken along a line D-D illustrated in FIG. 6( a ) .
  • FIGS. 7( a ) and 7( b ) are timing charts each showing processes in a pressurized cleaning mode performed by the cleaning device for a vehicle-mounted camera according to the embodiment of the present invention, in which FIG. 7( a ) is a timing chart showing an operation of a cleaning liquid pump, and FIG. 7( b ) is a timing chart showing an operation of an air pump.
  • FIGS. 8( a ) and 8( b ) are timing charts each showing processes in an air blow mode performed by the cleaning device for a vehicle-mounted camera according to the embodiment of the present invention, in which FIG. 8( a ) is a timing chart showing an operation of the cleaning liquid pump, and FIG. 8( b ) is a timing chart showing an operation of the air pump.
  • FIGS. 9( a ) and 9( b ) are timing charts each showing processes in a continuous water supply mode performed by the cleaning device for a vehicle-mounted camera according to the embodiment of the present invention, in which FIG. 9( a ) is a timing chart showing an operation of the cleaning liquid pump, and FIG. 9( b ) is a timing chart showing an operation of the air pump.
  • FIG. 1 is a block diagram illustrating a configuration of a cleaning device for a vehicle-mounted camera according to an embodiment of the present invention.
  • a cleaning device 100 includes a cleaning liquid reservoir tank 2 (primary tank) that stores a cleaning liquid, a cleaning liquid pump 3 (cleaning-liquid delivery section) that delivers the cleaning liquid stored in the cleaning liquid reservoir tank 2 , an air pump 5 (compressed-air delivery section) that delivers a compressed air, and a nozzle 7 for discharging the cleaning liquid, the compressed air, or a mixture of the cleaning liquid and the compressed air to a lens surface of a camera 1 .
  • a cleaning liquid reservoir tank 2 primary tank
  • cleaning liquid pump 3 cleaning-liquid delivery section
  • an air pump 5 compressed-air delivery section
  • nozzle 7 for discharging the cleaning liquid, the compressed air, or a mixture of the cleaning liquid and the compressed air to a lens surface of a camera 1 .
  • a cleaning liquid pipe 4 that guides the cleaning liquid delivered by the cleaning liquid pump 3 to a secondary tank 13 that stores the cleaning liquid
  • an air pipe 6 that guides the compressed air delivered by the air pump 5 to the nozzle 7 of a nozzle unit 22
  • a controller 8 that controls operations of the cleaning liquid pump 3 and the air pump 5 .
  • FIG. 2( a ) is a perspective view illustrating the cleaning device 100 according to this embodiment in a state where the device is installed to a camera 1 mounted at the rear portion of a vehicle
  • FIG. 2( b ) is a diagram illustrating the cleaning device 100 illustrated in FIG. 2( a ) when viewed from the direction “A.”
  • the nozzle unit 22 that is fixed at the rear portion of the vehicle and cleans a lens surface 1 a is provided in the vicinity of a side portion of the camera 1 fixed at the rear portion of the vehicle.
  • the nozzle unit 22 includes the nozzle 7 from which a cleaning liquid and compressed air discharge toward the lens surface 1 a , and a cap 7 d .
  • FIG. 1 is a perspective view illustrating the cleaning device 100 according to this embodiment in a state where the device is installed to a camera 1 mounted at the rear portion of a vehicle
  • FIG. 2( b ) is a diagram illustrating the cleaning device 100 illustrated in FIG. 2( a ) when viewed from the direction
  • the nozzle 7 has a distal end portion provided with two discharge ports 10 a and 10 b from which the cleaning liquid and the compressed air discharge.
  • configuration is made such that, by discharging the cleaning liquid and the compressed air from the discharge ports 10 a and 10 b of the nozzle 7 toward the lens surface 1 a , foreign substances attached on the lens surface 1 a are removed.
  • FIG. 3 is a partially-sectioned perspective view illustrating the nozzle unit 22 illustrated in FIG. 2( a ) .
  • the nozzle 7 provided on the distal end side of the nozzle unit 22 , has the central portion provided with an air passage 12 that guides the compressed air, and at both ends in the left and right sides of this air passage 12 , cleaning liquid paths 11 a and 11 b that guide the cleaning liquid are provided.
  • the distal end of each of the air passage 12 and the cleaning liquid paths 11 a and 11 b is bent at a substantially right angle so as to face the lens surface 1 a of the camera 1 .
  • a secondary tank 13 that temporarily stores the cleaning liquid is provided upstream of the cleaning liquid paths 11 a and 11 b .
  • a plug 13 a for connecting the cleaning liquid pipe 4 and a plug 13 b for connecting the air pipe 6 are provided on the side portion of this secondary tank 13 .
  • the plug 13 b is connected with the air passage 12 through a flow path provided below the secondary tank 13 .
  • the compressed air guided through the plug 13 b into the nozzle unit 22 is led directly into the air passage 12 .
  • the plug 13 a is connected with the secondary tank 13 , and the cleaning liquid supplied through this plug 13 a is led into the secondary tank 13 from above.
  • the pipe extending from the plug 13 a and connected with the secondary tank 13 is disposed in the vertical direction as indicated by the reference sign 23 in FIG. 6( b ) . Details of this pipe 23 will be described later.
  • the bottom portion of the secondary tank 13 is connected with two lines of the cleaning liquid paths 11 a and 11 b , and is disposed at a position higher than the discharge ports 10 a and 10 b .
  • the compressed air delivered by the air pump 5 illustrated in FIG. 1 is led into the air passage 12 of the nozzle 7 through the air pipe 6 , whereas the cleaning liquid delivered by the cleaning liquid pump 3 is stored in the secondary tank 13 , and then, is led into the two lines of the cleaning liquid paths 11 a and 11 b .
  • the secondary tank 13 has the volume smaller than the cleaning liquid reservoir tank 2 illustrated in FIG. 1 .
  • FIG. 4( b ) is an explanatory view illustrating a detailed configuration of the distal end portion of the nozzle, and is a sectional view illustrating a portion of the reference sign P 1 in FIG. 4( a ) .
  • the air passage 12 is provided at the center, and the two cleaning liquid paths 11 a and 11 b are provided so as to be located at both sides of the air passage 12 .
  • the cleaning liquid paths according to this embodiment are formed by two lines of the cleaning liquid paths 11 a and 11 b provided so as to be located at both sides of this air passage 12 .
  • the cleaning liquid paths 11 a and 11 b are connected to distal end portions 15 a and 15 b , respectively.
  • the area of a flow path of each of the distal end portions 15 a and 15 b is smaller than the area of a flow path of each of the cleaning liquid paths 11 a and 11 b .
  • the speed of the cleaning liquid flowing through each of the cleaning liquid paths 11 a and 11 b increases when it flows through each of the distal end portions 15 a and 15 b.
  • the distal end of the air passage 12 is bifurcated into two distal end portions 14 a (first distal end portion) and 14 b (second distal end portion).
  • the area of a flow path of each of the distal end portions 14 a and 14 b is smaller than the area of a flow path of the air passage 12 .
  • the speed of the compressed air flowing through the air passage 12 increases when it flows through each of the distal end portions 14 a and 14 b.
  • the distal end portion 15 a of the cleaning liquid path 11 a which is one side, merges with one distal end portion 14 a of the air passage 12 to form a merging flow path 16 a (first merging flow path), the distal end of which forms the discharge port 10 a (see FIG. 2( b ) ).
  • the distal end portion 15 b of the cleaning liquid path 11 b which is the other side, merges with the other distal end portion 14 b of the air passage 12 to form a merging flow path 16 b (second merging flow path), the distal end of which forms the discharge port 10 b (see FIG. 2( b ) ).
  • the merging flow path 16 a and the merging flow path 16 b are disposed in a manner such that the distance between the two paths increases toward the distal end side thereof.
  • a jetting surface 7 a which is a distal end portion of the nozzle 7 , is configured to protrude more forward than a side surface 7 b (nozzle distal-end surface) in the vicinity of the jetting surface 7 a .
  • This configuration makes it possible to prevent the cleaning liquid jetting from the discharge ports 10 a and 10 b from being attached on the side surface 7 b of the nozzle 7 . More specifically, it is possible to prevent the cleaning liquid from being attached on areas indicated by the reference signs P 2 and P 3 in FIG. 5 .
  • FIG. 6( b ) is a sectional view illustrating the nozzle unit 22 illustrated in FIG. 6( a ) and taken along the line D-D.
  • a small space is provided between a bottom surface 7 c of the nozzle 7 and an upper surface 1 b of the body of the camera 1 .
  • the width of this space is configured so as to be gradually narrower toward the inside of the space.
  • a supply port 13 c for supplying the cleaning liquid into the secondary tank 13 is provided on the upper part of the secondary tank 13 provided upstream of the nozzle 7 , and to this supply port 13 c , the pipe 23 placed in the vertical direction is provided. Then, this pipe 23 is connected with the plug 13 a illustrated in FIG. 3 . With the pipe 23 being placed in the vertical direction, it is possible to prevent the cleaning liquid staying in the pathway from irregularly entering the secondary tank 13 in the case where supply of the cleaning liquid by the cleaning liquid pump 3 (see FIG. 1 ) is stopped. In other words, it is possible to prevent the cleaning liquid from entering the secondary tank 13 due to vibration in a state where the secondary tank 13 is empty.
  • a check valve 24 is provided on the upper surface of the secondary tank 13 .
  • the check valve 24 is, for example, an umbrella valve, and is configured such that, if the pressure within the secondary tank 13 becomes negative pressure, the valve is opened to introduce the outside air through an air vent 25 , and if the pressure within the secondary tank 13 becomes positive pressure, the valve is closed to prevent release to the outside.
  • the secondary tank 13 becomes negative pressure, the outside air enters the secondary tank 13 , whereby it is possible to prevent the cleaning liquid from entering through the cleaning liquid pipe 4 .
  • the secondary tank 13 has the check valve that prevents air from leaking from the secondary tank 13 to the outside, and allows air to enter the secondary tank 13 from the outside.
  • the bottom surface 13 d of the secondary tank 13 is sloped so as to descend toward the front side (left side in the drawing).
  • an outlet pipe of the secondary tank 13 as well as the cleaning liquid paths 11 a and 11 b and the air passage 12 (see FIG. 3 ) provided to the nozzle 7 are similarly configured to be sloped so as to descend toward the front side.
  • the cleaning device 100 there are three modes including a pressurized cleaning mode in which the cleaning liquid and the compressed air are caused to jet to clean the lens surface 1 a , an air blow mode in which only the compressed air is delivered to remove water droplets attached on the lens surface 1 a , and a continuous water supply mode in which the cleaning liquid is intermittently dropped on the lens surface 1 a to make it difficult for dirt to be attached on the lens surface 1 a.
  • a pressurized cleaning mode in which the cleaning liquid and the compressed air are caused to jet to clean the lens surface 1 a
  • an air blow mode in which only the compressed air is delivered to remove water droplets attached on the lens surface 1 a
  • a continuous water supply mode in which the cleaning liquid is intermittently dropped on the lens surface 1 a to make it difficult for dirt to be attached on the lens surface 1 a.
  • the pressurized cleaning mode In the pressurized cleaning mode, by driving the cleaning liquid pump 3 for a short period of time to store the cleaning liquid in the secondary tank 13 , and at the same time, the air pump 5 is driven. More specifically, as illustrated in FIG. 7( a ) and FIG. 7( b ) , both of the cleaning liquid pump 3 and the air pump 5 are driven at a time t 0 .
  • the cleaning liquid stored in the cleaning liquid reservoir tank 2 (primary tank) is supplied through the cleaning liquid pipe 4 to the secondary tank 13 , and the cleaning liquid is stored in this secondary tank 13 .
  • the period of time from t 0 to t 1 is set to be a period of time required for fully filling the secondary tank 13 with the cleaning liquid by the cleaning liquid pump 3 .
  • the compressed air delivered from the air pump 5 passes through the air pipe 6 , and is introduced into the air passage 12 within the nozzle 7 illustrated in FIG. 3 . Then, the compressed air is delivered from the distal end portions 14 a and 14 b illustrated in FIG. 4( b ) to the merging flow paths 16 a and 16 b . At this time, since the area of the flow path of each of the distal end portions 14 a and 14 b is set to be smaller than that of the air passage 12 , the speed of the air flow increases in each of the distal end portions 14 a and 14 b .
  • the cleaning liquid jets from the merging flow paths 16 a and 16 b in a form of a mist in conjunction with the compressed air, the cleaning liquid jets from the merging flow paths 16 a and 16 b in a form of a mist.
  • the cleaning liquid in the form of a mist can be caused to jet from the discharge ports 10 a and 10 b serving as the distal ends of the merging flow paths 16 a and 16 b , and be sprayed over the lens surface 1 a .
  • the pressurized cleaning mode is a mode in which the air pump 5 (compressed-air delivery section) is driven; the compressed air is caused to jet from the discharge ports 10 a and 10 b ; the cleaning liquid supplied to the cleaning liquid paths 11 a and 11 b is suctioned with the negative pressure occurring as a result of the jet of the compressed air to jet the cleaning liquid from the discharge ports 10 a and 10 b ; and the lens surface 1 a is cleaned with the compressed air and cleaning liquid jetted.
  • the cleaning liquid pump 3 cleaning-liquid delivery section
  • continuously delivering the compressed air by the air pump 5 (compressed-air delivery section)
  • the cleaning liquid and the compressed air are caused to continuously jet from the discharge ports 10 a and 10 b .
  • the cleaning liquid path is made into the negative pressure to make the cleaning liquid into the form of a mist and cause it to jet, whereby the lens surface can be effectively cleaned with the small amount of cleaning liquid.
  • This pressurized cleaning mode is suitable for applications that remove foreign substances such as mud attached on the lens surface 1 a.
  • the cleaning liquid pump 3 shown in FIG. 7( a ) by increasing the period of time for driving the cleaning liquid pump 3 (for example, setting the period of time from t 0 to t 1 to 400 msec), it is possible to push the cleaning liquid stored in the secondary tank 13 by the pressure of the cleaning liquid pump 3 , and the cleaning liquid pressurized can be supplied to the cleaning liquid paths 11 a and 11 b , whereby it is possible to clean the lens surface 1 a with a high pressure.
  • the air blow mode In the air blow mode, only the air pump 5 is driven in a state where the cleaning liquid is not stored in the secondary tank 13 . More specifically, the cleaning liquid pump 3 is stopped as illustrated in FIG. 8( a ) , and the air pump 5 is driven for a period of time from t 10 to t 11 (for example, two seconds) as illustrated in FIG. 8( b ) . Then, the compressed air passes through the distal end portions 14 a and 14 b of the air passage 12 and the merging flow paths 16 a and 16 b to jet from the discharge ports 10 a and 10 b , and is sprayed over the lens surface 1 a . As a result, the water droplets attached on the lens surface 1 a of the camera 1 can be removed by the air pressure.
  • the pipe 23 connected with the secondary tank 13 is placed in a substantially vertical direction as illustrated in FIG. 6( b ) . Furthermore, the bottom surface 13 d of the secondary tank 13 is placed at a position higher than the discharge ports 10 a and 10 b , and the bottom surface 13 d of the secondary tank 13 and the pipe for the cleaning liquid are sloped downward, whereby the cleaning liquid does not remain in the secondary tank 13 and its pipe.
  • the compressed air jets, and the inside of the secondary tank 13 becomes negative pressure it is possible to prevent the cleaning liquid from being introduced into the merging flow paths 16 a and 16 b , and it is possible to prevent the cleaning liquid from mixing with the compressed air.
  • the air blow mode is a mode in which the delivery of the cleaning liquid by the cleaning liquid pump 3 (cleaning-liquid delivery section) is stopped; the compressed air is delivered to the air pipe 6 by the air pump 5 (compressed-air delivery section) in a state where supply of the cleaning liquid is stopped; and the compressed air is caused to jet from the discharge ports 10 a and 10 b , whereby the lens surface 1 a is cleaned.
  • the air blow mode is suitable to remove the water droplets attached on the lens surface 1 a.
  • the continuous water supply mode the cleaning liquid is supplied from the cleaning liquid pump 3 into the secondary tank 13 , and furthermore, the air pump 5 is intermittently driven, whereby the cleaning liquid is dropped on the lens surface 1 a .
  • the cleaning liquid is stored in the secondary tank 13 by driving the cleaning liquid pump 3 for a period of time from t 20 to t 21 , and then, at a time t 22 , the air pump 5 is intermittently driven plural times within a period of time T 1 , whereby the small amount of the cleaning liquid is dropped on the lens surface 1 a .
  • the small amount (for example, 0.25 cc) of the cleaning liquid is dropped on the lens surface 1 a for each drop.
  • the continuous water supply mode is a mode in which the compressed air is caused to intermittently jet from the discharge ports 10 a and 10 b for plural times, and the cleaning liquid is suctioned with the negative pressure occurring due to the jet of the compressed air to cause the cleaning liquid to jet from the discharge ports 10 a and 10 b onto the lens surface 1 a .
  • This continuous water supply mode is suitable to maintain the lens surface 1 a in the wet state at the time of rainy weather to prevent the contaminants from depositing on the lens surface 1 a before it happens.
  • Each of the cleaning modes described above may be set by the driver of the vehicle through manual operations. Alternately, it may be possible to detect dirt states of the camera 1 or weather states, and automatically select a cleaning mode according to the result of detection, thereby doing cleaning.
  • the compressed air when cleaning with cleaning liquid is completed, the compressed air is caused to jet, and all of the cleaning liquid remaining in the secondary tank 13 is discharged to make the secondary tank 13 empty.
  • the cleaning liquid which jets in conjunction with the compressed air, is attached on the surface of the lens surface 1 a , this may have an effect on images captured by the camera 1 .
  • the compressed air is caused to jet for a predetermined period of time (for example, 30 seconds) to dry the lens surface 1 a after all of the cleaning liquid remaining in the secondary tank 13 is fully discharged.
  • the compressed air is caused to jet when a vehicle is parked, this may lead to a case where the cleaning liquid attaches in the vicinity of a trunk, or the discharge of the compressed air makes a passenger feel awkwardness at the time of opening the trunk.
  • a certain speed for example, 10 km/h
  • the jet of the compressed air is stopped.
  • the compressed air is caused to jet when the vehicle speed increases to a certain speed or faster (for example, 5 km/h or faster) after the ignition of the vehicle is turned on. During this jet of the compressed air, performing the cleaning mode is stopped.
  • the compressed air is caused to jet to discharge the cleaning liquid in a state where only the small amount of the cleaning liquid remains in the secondary tank 13 , the cleaning liquid intermittently jets, and this may have an effect on capturing of images using the camera 1 .
  • it may be possible to jet the compressed air for example, in the case where the vehicle speed reduces to be slower than or equal to a vehicle speed (for example, 30 km/h) at which an application using the images captured by the camera 1 is activated.
  • the air passage 12 is provided to the distal end portion of the nozzle 7 ; the cleaning liquid paths 11 a and 11 b are provided in the vicinity of the air passage 12 ; and, the distal end portions 14 a and 14 b of the air passage 12 and the distal end portions 15 a and 15 b of the cleaning liquid paths 11 a and 11 b are merged with each other.
  • the secondary tank 13 is provided upstream of the cleaning liquid paths 11 a and 11 b , and a certain amount of the cleaning liquid is stored in the secondary tank 13 .
  • the secondary tank 13 is made into the negative pressure to suction the cleaning liquid from the cleaning liquid paths 11 a and 11 b , and the cleaning liquid and the compressed air are mixed at the merging flow paths 16 a and 16 b to cause the mixture to jet from the discharge ports 10 a and 10 b .
  • the cleaning liquid into the form of a mist, and further reduce the amount of the cleaning liquid required for cleaning.
  • the check valve 24 is provided to the secondary tank 13 , and the outside air is introduced into the secondary tank 13 in the case where the inside of the secondary tank 13 becomes negative pressure, whereby it is possible to prevent the cleaning liquid from entering the secondary tank 13 through the cleaning liquid pipe 4 in the case where the inside of the secondary tank 13 becomes the negative pressure. For this reason, delivery of the cleaning liquid ends at the time when the entire cleaning liquid stored in the secondary tank 13 is consumed, and the delivery of the cleaning liquid is suspended until the cleaning liquid is newly supplied by the cleaning liquid pump 3 , whereby it is possible to prevent the cleaning liquid from jetting in an unnecessary manner.
  • the pipe 23 (see FIGS. 6( a ) and 6( b ) ) for supplying the cleaning liquid to the secondary tank 13 is placed in the vertical direction.
  • a connecting portion of the cleaning liquid pipe connected with the secondary tank 13 is disposed in the vertical direction.
  • the bottom surface 13 d of the secondary tank 13 is placed at a position higher than the discharge ports 10 a and 10 b , and the cleaning liquid paths 11 a and 11 b connecting the secondary tank 13 with the nozzle 7 are sloped so as to descend from the secondary tank 13 to the discharge ports 10 a and 10 b .
  • the cleaning liquid stored in the secondary tank 13 and the cleaning liquid paths 11 a and 11 b is delivered to the discharge ports 10 a and 10 b without remaining there.
  • the embodiment described above employs the configuration in which the compressed air and the cleaning liquid are merged at the distal end portion of the nozzle 7 .
  • the present invention is not limited to this, and it is possible to employ a configuration in which the air passage and the cleaning liquid paths are disposed so as to be close to each other, and when the compressed air is discharged from the air passage, the cleaning liquid supplied from the cleaning liquid path is made into the form of a mist using the negative pressure at this time, thereby jetting it.
  • the distal end portions 14 a and 15 a and the distal end portions 14 b and 15 b are not merged, and jetting is performed in a state where they are proximate to each other.
  • the present invention can be used to effectively clean the lens surface of the camera mounted on the vehicle with a small amount of cleaning liquid.
  • the cleaning liquid necessary for cleaning is stored in the secondary tank in advance.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Water Supply & Treatment (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Studio Devices (AREA)
  • Nozzles (AREA)
  • Camera Bodies And Camera Details Or Accessories (AREA)
  • Cleaning In General (AREA)
  • Cleaning By Liquid Or Steam (AREA)
US14/413,904 2012-07-11 2013-07-09 Cleaning device for vehicle-mounted camera Active US10011251B2 (en)

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JP2012155360 2012-07-11
JP2012-155360 2012-07-11
PCT/JP2013/068717 WO2014010580A1 (ja) 2012-07-11 2013-07-09 車載カメラの洗浄装置

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US10011251B2 true US10011251B2 (en) 2018-07-03

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EP (1) EP2873571B1 (pt)
JP (1) JP5892249B2 (pt)
CN (1) CN104470770B (pt)
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10549723B2 (en) * 2018-05-04 2020-02-04 Ford Global Technologies, Llc Vehicle object-detection sensor assembly
US11525894B2 (en) 2019-07-25 2022-12-13 Ford Global Technologies, Llc Vehicle sensor assembly
US11598865B2 (en) 2019-06-14 2023-03-07 Ford Global Technologies, Llc Sensor assembly with cleaning

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX340630B (es) * 2012-07-11 2016-07-19 Nissan Motor Dispositivo de limpieza para camara montada en vehiculo y metodo de limpieza de camara montada en vehiculo.
EP2878999B1 (en) * 2012-07-27 2016-09-14 Nissan Motor Co., Ltd. Vehicle-mounted camera device
US20150029340A1 (en) * 2013-07-26 2015-01-29 JVC Kenwood Corporation Water droplet removal apparatus and camera apparatus
FR3027007B1 (fr) * 2014-10-10 2017-12-08 Valeo Systemes Dessuyage Dispositif de nettoyage d’une camera d’aide a la conduite d’un vehicule automobile
JP6509351B2 (ja) * 2015-01-30 2019-05-08 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツングＲｏｂｅｒｔ Ｂｏｓｃｈ Ｇｍｂｈ 静電式レンズ洗浄法
US9550406B2 (en) 2015-03-16 2017-01-24 Thunder Power Hong Kong Ltd. Thermal dissipation system of an electric vehicle
US9547373B2 (en) 2015-03-16 2017-01-17 Thunder Power Hong Kong Ltd. Vehicle operating system using motion capture
US9954260B2 (en) 2015-03-16 2018-04-24 Thunder Power New Energy Vehicle Development Company Limited Battery system with heat exchange device
US10703211B2 (en) 2015-03-16 2020-07-07 Thunder Power New Energy Vehicle Development Company Limited Battery pack, battery charging station, and charging method
US9539988B2 (en) * 2015-03-16 2017-01-10 Thunder Power Hong Kong Ltd. Vehicle camera cleaning system
US10173687B2 (en) 2015-03-16 2019-01-08 Wellen Sham Method for recognizing vehicle driver and determining whether driver can start vehicle
US9533551B2 (en) 2015-03-16 2017-01-03 Thunder Power Hong Kong Ltd. Electric vehicle thermal management system with series and parallel structure
EP3276252A4 (en) 2015-03-23 2019-01-16 Koito Manufacturing Co., Ltd. PICTURE RECORDING DEVICE FOR A VEHICLE, LAMP UNIT FOR A VEHICLE AND ELECTRONIC CONTROL UNIT
JP6245206B2 (ja) 2015-03-24 2017-12-13 トヨタ自動車株式会社 車両用制御装置、車両用制御プログラム、及び車両
US10252703B2 (en) * 2015-05-20 2019-04-09 Denso Corporation System for cleaning on-vehicle optical sensor and method for the same
US10661761B2 (en) 2015-06-30 2020-05-26 Koito Manufacturing Co., Ltd. Foreign matter removal device and vehicle equipped with foreign matter removal device
CN116946071A (zh) 2015-06-30 2023-10-27 株式会社小糸制作所 异物去除装置
FR3039114B1 (fr) 2015-07-22 2017-07-28 Valeo Systemes Dessuyage Dispositif de nettoyage d'un capteur pour vehicule automobile
RU2637013C2 (ru) * 2015-12-25 2017-11-29 Закрытое акционерное общество "Эридан" Устройство очистки стекла кожуха камеры наружного наблюдения
FR3047456B1 (fr) * 2016-02-05 2018-03-02 Valeo Systemes Dessuyage Systeme de detection optique pour vehicule automobile et dispositif de nettoyage d'un tel systeme
CN109641572B (zh) * 2016-07-18 2020-07-14 Uatc有限责任公司 传感器清洁装置和传感器清洁系统
US10220817B2 (en) * 2016-07-18 2019-03-05 Uber Technologies, Inc. Sensor cleaning system for vehicles
US10189450B2 (en) * 2016-07-18 2019-01-29 Uber Technologies, Inc. Sensor cleaning system for vehicles
FR3054459B1 (fr) 2016-07-28 2020-09-04 Valeo Systemes Dessuyage Dispositif de protection d'un capteur optique et systeme d'assistance a la conduite comprenant un capteur optique
TWI604257B (zh) * 2016-10-05 2017-11-01 Zheng-Zhi Lin Car camera lens prevent water mirror device
US10232828B2 (en) * 2016-11-17 2019-03-19 GM Global Technology Operations LLC Circular spray nozzle system and method for cleaning a cylindrical surface of a component
FR3062764B1 (fr) * 2017-02-08 2019-08-02 Valeo Systemes D'essuyage Dispositif de vision, systeme d’assistance a la conduite et procede de maintien de la visibilite associes
FR3065380B1 (fr) * 2017-04-25 2019-06-21 Valeo Systemes D'essuyage Dispositif de nettoyage telescopique
NL2019022B1 (nl) * 2017-06-06 2018-12-13 Mci Mirror Controls Int Netherlands B V Beeldopname-inrichting, en werkwijze
JP6639447B2 (ja) * 2017-07-20 2020-02-05 本田技研工業株式会社 ウォッシャ液供給システム
JP6568556B2 (ja) * 2017-07-20 2019-08-28 本田技研工業株式会社 ウォッシャ液供給システム
WO2019044399A1 (ja) * 2017-08-30 2019-03-07 株式会社小糸製作所 車両用エアクリーナ
CN107744984B (zh) * 2017-10-12 2023-11-24 潍坊常润杰经贸有限公司 一种摄像头自动清洗系统及其装置
JP7055619B2 (ja) * 2017-11-14 2022-04-18 株式会社デンソーテン 気体噴出装置および気体噴出方法
US10983335B2 (en) * 2017-12-18 2021-04-20 Illinois Tool Works Inc. Self cleaning photo eye apparatus and method
JP7122132B2 (ja) * 2018-03-15 2022-08-19 株式会社小糸製作所 車両用クリーナノズルおよび車両用クリーナノズルの組み付け方法
CN108749719B (zh) * 2018-05-22 2020-10-30 中宁县峰之源农业发展有限公司 一种嵌入式大型车辆泊车辅助系统及其控制电路
KR102552165B1 (ko) * 2018-11-20 2023-07-05 현대자동차주식회사 카메라 모니터링 시스템
DE102019105468A1 (de) * 2019-03-04 2020-09-10 Röchling Automotive SE & Co. KG Bordeigene Kfz-Waschvorrichtung und Verfahren zu deren Betrieb
JP7277198B2 (ja) * 2019-03-26 2023-05-18 フォルシアクラリオン・エレクトロニクス株式会社 洗浄ノズルユニット、及び車載カメラユニット
CN111762106B (zh) * 2019-04-01 2022-02-22 长城汽车股份有限公司 车辆摄像头除霜装置及除霜方法
FR3096001B1 (fr) 2019-05-17 2022-04-15 A Raymond Et Cie Agencement de montage d’un système optique sur un élément de carrosserie d’un véhicule
US11279325B2 (en) * 2019-06-24 2022-03-22 Ford Global Technologies, Llc Sensor cleaning
CN210835223U (zh) * 2019-09-24 2020-06-23 北京图森智途科技有限公司 一种传感器支架、传感器组件、可移动物体及车辆
US11478827B2 (en) * 2019-10-01 2022-10-25 Ford Global Technologies, Llc Sensor assembly with cleaning
US11780409B2 (en) * 2020-08-06 2023-10-10 Ford Global Technologies, Llc Sensor apparatus with cleaning
CN112775072A (zh) * 2020-12-22 2021-05-11 西安培华学院 一种用于交通管理的大数据采集装置及方法
FR3121104A1 (fr) * 2021-03-23 2022-09-30 Valeo Systemes D'essuyage Dispositif de nettoyage d’une surface de détection d’un dispositif de détection.
CN112893275A (zh) * 2021-03-26 2021-06-04 北京百度网讯科技有限公司 清洁装置和数据采集装置
DE102021210032A1 (de) 2021-09-10 2023-03-16 Volkswagen Aktiengesellschaft Kombinierte Reinigungsdüse, Reinigungssystem und Kraftfahrzeug
US20230120545A1 (en) * 2021-10-20 2023-04-20 Ford Global Technologies, Llc Sensor assembly with cleaning

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5068770A (en) * 1990-09-05 1991-11-26 Baziuk Maurice W Self-cleaning lens shield for headlights
US5853025A (en) * 1996-01-16 1998-12-29 Daneshvar; Yousef Windshield fluid delivery system
US6237627B1 (en) * 1998-07-24 2001-05-29 Bernard R. Boule Auxiliary reservoir transfer system for windshield washer fluid
JP2001171491A (ja) 1999-12-16 2001-06-26 Matsushita Electric Ind Co Ltd 車載カメラ装置及び車載カメラの洗浄方法
US20010054655A1 (en) * 1998-08-07 2001-12-27 Roland Berg Cleaning device
US20020005440A1 (en) * 1999-06-11 2002-01-17 Holt Donald E. Fluid and air nozzle and method for cleaning vehicle lenses
JP2003203884A (ja) 2002-01-07 2003-07-18 Tokyo Seimitsu Co Ltd ダイシングマシンの洗浄装置及び洗浄方法
JP2004182080A (ja) 2002-12-03 2004-07-02 Mitsubishi Electric Corp 赤外線カメラ搭載車両および赤外線カメラシステム
JP2006160103A (ja) 2004-12-08 2006-06-22 Ichikoh Ind Ltd 車両用クリーナ装置
JP2007318355A (ja) 2006-05-24 2007-12-06 Matsushita Electric Ind Co Ltd 撮像装置およびレンズ汚れ検出方法
US20090250533A1 (en) * 2008-04-03 2009-10-08 Denso Corporation Washer nozzle-equipped camera apparatus and washer nozzle
US20110073142A1 (en) 2009-09-29 2011-03-31 Denso Corporation On-board optical sensor cover and on-board optical apparatus
JP2011240920A (ja) 2010-04-20 2011-12-01 Denso Corp 車載光学センサカバー及び車載光学センサ装置
US20120117745A1 (en) 2009-09-29 2012-05-17 Denso Corporation On-board optical sensor cover and on-board optical sensor apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009081765A (ja) * 2007-09-27 2009-04-16 Sony Corp カメラ洗浄装置
CN201432644Y (zh) * 2009-07-17 2010-03-31 初明明 一种自动清洗汽车后视摄像头的装置
RU2455177C2 (ru) * 2009-09-29 2012-07-10 Денсо Корпорейшн Оболочка бортового оптического сенсора и устройство бортового оптического сенсора

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5068770A (en) * 1990-09-05 1991-11-26 Baziuk Maurice W Self-cleaning lens shield for headlights
US5853025A (en) * 1996-01-16 1998-12-29 Daneshvar; Yousef Windshield fluid delivery system
US6237627B1 (en) * 1998-07-24 2001-05-29 Bernard R. Boule Auxiliary reservoir transfer system for windshield washer fluid
US20010054655A1 (en) * 1998-08-07 2001-12-27 Roland Berg Cleaning device
US20020005440A1 (en) * 1999-06-11 2002-01-17 Holt Donald E. Fluid and air nozzle and method for cleaning vehicle lenses
JP2001171491A (ja) 1999-12-16 2001-06-26 Matsushita Electric Ind Co Ltd 車載カメラ装置及び車載カメラの洗浄方法
JP2003203884A (ja) 2002-01-07 2003-07-18 Tokyo Seimitsu Co Ltd ダイシングマシンの洗浄装置及び洗浄方法
JP2004182080A (ja) 2002-12-03 2004-07-02 Mitsubishi Electric Corp 赤外線カメラ搭載車両および赤外線カメラシステム
JP2006160103A (ja) 2004-12-08 2006-06-22 Ichikoh Ind Ltd 車両用クリーナ装置
JP2007318355A (ja) 2006-05-24 2007-12-06 Matsushita Electric Ind Co Ltd 撮像装置およびレンズ汚れ検出方法
US20090250533A1 (en) * 2008-04-03 2009-10-08 Denso Corporation Washer nozzle-equipped camera apparatus and washer nozzle
US20110073142A1 (en) 2009-09-29 2011-03-31 Denso Corporation On-board optical sensor cover and on-board optical apparatus
US20120117745A1 (en) 2009-09-29 2012-05-17 Denso Corporation On-board optical sensor cover and on-board optical sensor apparatus
JP2011240920A (ja) 2010-04-20 2011-12-01 Denso Corp 車載光学センサカバー及び車載光学センサ装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10549723B2 (en) * 2018-05-04 2020-02-04 Ford Global Technologies, Llc Vehicle object-detection sensor assembly
US11598865B2 (en) 2019-06-14 2023-03-07 Ford Global Technologies, Llc Sensor assembly with cleaning
US11525894B2 (en) 2019-07-25 2022-12-13 Ford Global Technologies, Llc Vehicle sensor assembly

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MX337174B (es) 2016-02-16
JP5892249B2 (ja) 2016-03-23
MY154117A (en) 2015-05-05
BR112015000656A2 (pt) 2019-11-05
EP2873571B1 (en) 2016-10-05
RU2566169C1 (ru) 2015-10-20
CN104470770A (zh) 2015-03-25
EP2873571A4 (en) 2015-07-29
BR112015000656B1 (pt) 2021-07-20
MX2015000269A (es) 2015-04-10
US20150151722A1 (en) 2015-06-04
JPWO2014010580A1 (ja) 2016-06-23
EP2873571A1 (en) 2015-05-20
CN104470770B (zh) 2016-06-15

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